Amazingly enough, in spite of it's classic King charms,I didn't like nearly as much a I thought I would. I did, however, find it interesting that the author actually goes into Cujo's head from time to time and makes his thoughts convincing.
Dog gets bit by bat, dog gets rabies and starts biting himself. Short but it has led to one memorable book about a Saint Bernard dog gone wild. And the book's ending works better than the movie's. It usually does.